Karlsson, J Beta1-adrenergic receptor gene polymorphisms and response to beta1-adrenergic receptor blockade in patients with essential hypertension. [electronic resource] - Clinical cardiology Jun 2004 - 347-50 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0160-9289 Standard No.: 10.1002/clc.4960270610 doi Subjects--Topical Terms: Adrenergic beta-Antagonists--pharmacologyAllelesAtenolol--pharmacologyBlood Pressure--drug effectsFemaleHeart Rate--drug effectsHumansHypertension--drug therapyHypertrophy, Left Ventricular--drug therapyMaleMiddle AgedPolymerase Chain ReactionPolymorphism, GeneticPolymorphism, Restriction Fragment LengthReceptors, Adrenergic, beta--drug effects